Causal Agent:
Virus (Sugarcane Mosaic Virus)
| Characteristic Symptoms: | |
 |
Infected plants show mosaic pattern in the leaves consisting of broken linear stripes between the veins, necrosis or ring spots. |
|
Stunting of plants will occur most often. |
| Conditions for Disease Development: | |
|
The disease is transmitted mechanically, by corn aphids and by seeds. |
|
Johnson grass, sorghum and sugarcane are the major perennial hosts of the virus. |
| Management and Control: | |
|
Use of resistant varieties, if available.
|
|
Remove infected plants as early as symptoms are observed to minimize spread. |
|
Use reflective mulches to minimize aphid populations. |
|
Eradicate weed hosts. |
|
Control aphid population by spraying insecticides such as methomyl (e.g. Lannate®, Wildkid®, Scorpio®), thiomethoxam (e.g. Actara®), acephate (e.g.Acetam®, Compete®), chlorphenapyr (e.g. Kotasu®), penthoate (Pennant®, Videx®) or thiamethoxam+chlorantraniliprole (e.g. Voliam Flexi®). |
References
http://pvo.bio-mirror.cn/descr770.htm
Johnson, H. JR., Hall, D.H, Claxton, W and Ishishaka,1972. W. Sugarcane Mosaic Virus Tolerance in Sweetcorn. California Agriculture, 0ctober, 1972.
The CIMMYT Maize Program. 2003. Maize Diseases: A Guide for Field Identification. 4th edition. Mexico, D.F.: International Maize and Wheat Improvement Center (CIMMYT).
To view other diseases, click here.
Need more help? Ask the Doctor.
